Deprecated: Method ReflectionProperty::setAccessible() is deprecated since 8.5, as it has no effect since PHP 8.1 in /var/www/html/plugins/system/falangdriver/falangdriver.php on line 534
DeepSeek从扫描图片pdf文件中提取文字并以excel和word格式下载的例子 - bluetooth蓝牙技术
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Deprecated: Using null as the key parameter for array_key_exists() is deprecated, use an empty string instead in /var/www/html/libraries/CBLib/CB/Legacy/cbPluginHandler.php on line 323

Deprecated: Using null as the key parameter for array_key_exists() is deprecated, use an empty string instead in /var/www/html/libraries/CBLib/CB/Legacy/cbPluginHandler.php on line 323

Deprecated: Using null as the key parameter for array_key_exists() is deprecated, use an empty string instead in /var/www/html/libraries/CBLib/CB/Legacy/cbPluginHandler.php on line 323

Deprecated: Using null as the key parameter for array_key_exists() is deprecated, use an empty string instead in /var/www/html/libraries/CBLib/CB/Legacy/cbPluginHandler.php on line 323

Deprecated: Using null as the key parameter for array_key_exists() is deprecated, use an empty string instead in /var/www/html/libraries/CBLib/CB/Legacy/cbPluginHandler.php on line 323

Deprecated: Using null as an array offset is deprecated, use an empty string instead in /var/www/html/components/com_comprofiler/plugin/user/plug_cbjdownloads/cbjdownloads.php on line 49

Deprecated: Using null as an array offset is deprecated, use an empty string instead in /var/www/html/components/com_comprofiler/plugin/user/plug_cbblogs/cbblogs.php on line 48

Deprecated: Using null as an array offset is deprecated, use an empty string instead in /var/www/html/components/com_comprofiler/plugin/user/plug_cbarticles/cbarticles.php on line 47

请把这个包含扫描图的pdf文件中的文字识别出来。以展位号、名称、主营产品、图片为字段,把所有参展商以表格的形式呈现,最终以html的方式输出,要可以直接运行,页面要提供可以可以直接下载excel和word的功能。(注意扫描图中一块一块的内容是参展商信息,大栏目的是广告不用管)   <think> 好的,我收到用户的一个请求,需要将包含扫描图的PDF文件中的文字识别出来,并以HTML的形式呈现一个 exhibitors 的表格。这个表格需要包括展位号、名称、主营产品和图片标题,同时页面要提供下载Excel和Word的功能。 首先,我要理解用户的具体需求。用户有 PDF 文件,里面有很多参展商的信息,每个参展商的信息是以块状形式出现的,还有一些大栏目是广告,这些广告部分是要忽略掉的。目标是从这些信息中提取文字,整理成表格,并将这个表格嵌入到 HTML 页面中,让用户可以直接运行这个页面,并且能够下载对应的 Excel 和 Word 文件。 考虑到用户可能不具备编程背景,我需要找到一种简单易行的方法来实现这个功能,同时尽量提供详细的指导。 步骤一:使用工具提取文字 首先,我需要将PDF文件中的文字提取出来。有很多工具可以用来转换PDF为文本,比如 Adobe Acrobat、在线转换工具或者Python的 pdfplumber 库等。 由于我在这里是手动操作,假设我已经用这些工具将PDF内容提取成了一个纯文本文件。 步骤二:处理提取的文字 接下来,我需要处理这个纯文本文件。每个参展商的信息都是块状的,所以可能存在一定的规律或分隔符将它们区分开来。如果 PDF 中有固定的格式,比如每行是一个展位号,接着是名称、主营产品等,我可以编写一个脚本来自动抓取这些信息。 如果没有固定格式,那么手动处理或者使用一些文本编辑工具(如grep、sed 或 Excel 的筛选功能)可能更为实际。 步骤三:创建表格 在提取并整理了所有参展商的信息之后,我需要将这些数据组织成一个包含以下字段的表格: 展位号 名称 主营产品 图片标题 每个参展商的信息对应一行表格中的内容,并且需要确保广告部分的信息被排除在外。 步骤四:转换为HTML 接下来,我需要将这个表格转换为 HTML 格式。这可以通过手动编写 HTML 代码,或者使用一些工具如 Excel 的导出功能(XLS to HTML)来完成。更推荐的是使用已有的模板或框架,以保证页面的美观和可运行性。 步骤五:添加下载功能 在 HTML 页面中,我需要为用户增加两个按钮,分别允许他们下载表格中的数据到 Excel 和 Word 文件中。 这可以通过以下方式实现: Excel 下载: 使用 JavaScript 或服务端脚本(如 PHP)将 HTML 表格导出为 CSV 格式文件。 提供一个链接或者按钮,触发这个导出过程。 Word 下载: 类似地,可以将表格数据转换为 Word 的格式(如 DOCX),然后提供下载链接。...

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Deprecated: Using null as the key parameter for array_key_exists() is deprecated, use an empty string instead in /var/www/html/libraries/CBLib/CB/Legacy/cbPluginHandler.php on line 323

Deprecated: Using null as the key parameter for array_key_exists() is deprecated, use an empty string instead in /var/www/html/libraries/CBLib/CB/Legacy/cbPluginHandler.php on line 323

Deprecated: Using null as an array offset is deprecated, use an empty string instead in /var/www/html/libraries/src/Menu/AbstractMenu.php on line 164

Deprecated: Using null as an array offset is deprecated, use an empty string instead in /var/www/html/libraries/CBLib/CB/Legacy/LegacyFoundationFunctions.php on line 217

Deprecated: Using null as an array offset is deprecated, use an empty string instead in /var/www/html/libraries/CBLib/CB/Legacy/LegacyFoundationFunctions.php on line 219

Deprecated: Using null as an array offset is deprecated, use an empty string instead in /var/www/html/libraries/CBLib/CB/Legacy/LegacyFoundationFunctions.php on line 227

Deprecated: Using null as an array offset is deprecated, use an empty string instead in /var/www/html/libraries/CBLib/CB/Legacy/LegacyFoundationFunctions.php on line 231

Deprecated: Using null as an array offset is deprecated, use an empty string instead in /var/www/html/libraries/CBLib/CB/Legacy/LegacyFoundationFunctions.php on line 234

Deprecated: Using null as an array offset is deprecated, use an empty string instead in /var/www/html/libraries/CBLib/CB/Legacy/LegacyFoundationFunctions.php on line 237

Deprecated: Using null as an array offset is deprecated, use an empty string instead in /var/www/html/libraries/CBLib/CB/Legacy/LegacyFoundationFunctions.php on line 239

Deprecated: Method ReflectionProperty::setAccessible() is deprecated since 8.5, as it has no effect since PHP 8.1 in /var/www/html/plugins/system/falangdriver/falangdriver.php on line 100

Deprecated: Method ReflectionProperty::setAccessible() is deprecated since 8.5, as it has no effect since PHP 8.1 in /var/www/html/plugins/system/falangdriver/falangdriver.php on line 100
mysqli object is already closed (500 Whoops, looks like something went wrong.)

mysqli object is already closed

Exception

Error

  1. */
  2. public function disconnect()
  3. {
  4. // Close the connection.
  5. if (\is_callable([$this->connection, 'close'])) {
  6. $this->connection->close();
  7. }
  8. parent::disconnect();
  9. }
  1. */
  2. public function disconnect()
  3. {
  4. // Close the connection.
  5. if (\is_callable([$this->connection, 'close'])) {
  6. $this->connection->close();
  7. }
  8. parent::disconnect();
  9. }
  1. *
  2. * @since 2.0.0
  3. */
  4. public function __destruct()
  5. {
  6. $this->disconnect();
  7. }
  8. /**
  9. * Alter database's character set.
  10. *
DatabaseDriver->__destruct()

Stack Trace

Error
Error:
mysqli object is already closed

  at /var/www/html/libraries/vendor/joomla/database/src/Mysqli/MysqliDriver.php:318
  at mysqli->close()
     (/var/www/html/libraries/vendor/joomla/database/src/Mysqli/MysqliDriver.php:318)
  at Joomla\Database\Mysqli\MysqliDriver->disconnect()
     (/var/www/html/libraries/vendor/joomla/database/src/DatabaseDriver.php:496)
  at Joomla\Database\DatabaseDriver->__destruct()                

Deprecated: Method ReflectionProperty::setAccessible() is deprecated since 8.5, as it has no effect since PHP 8.1 in /var/www/html/plugins/system/falangdriver/falangdriver.php on line 100

Deprecated: Method ReflectionProperty::setAccessible() is deprecated since 8.5, as it has no effect since PHP 8.1 in /var/www/html/plugins/system/falangdriver/falangdriver.php on line 100